发明名称 |
Low cost high frequency device having compact mounting area, high frequency amplification method, wireless communication device and mobile telephone including low cost and high frequency circuit having compact mounting area |
摘要 |
A high frequency device includes a transmission/reception amplifier 13 that amplifies and outputs an input signal, and a transmission/reception switch 2 that gang switches internally so that during transmission an input of the transmission/reception amplifier 13 is connected to an up mixer and an output of the transmission/reception amplifier 13 is connected to an antenna unit 5, and so that during reception the output of the transmission/reception amplifier 13 is connected to a down mixer and the input of the transmission/reception amplifier 13 is connected to the antenna unit 5.
|
申请公布号 |
US2004127169(A1) |
申请公布日期 |
2004.07.01 |
申请号 |
US20030677490 |
申请日期 |
2003.10.03 |
申请人 |
OTA YORITO |
发明人 |
OTA YORITO |
分类号 |
H04B1/44;H04B1/26;H04B1/48;H04B1/52;(IPC1-7):H04B1/44 |
主分类号 |
H04B1/44 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|